#include <iostream>
#include <queue>
#include <string>
using namespace std;

int main(){
	queue<string> q;

	//insert three elements into the queue
	q.push("These	");
	q.push("are		");
	q.push("more than ");

	//read and print two elements from the queue
	cout << q.front();
	q.pop();
	cout << q.front();
	q.pop();

	//insert two new elements
	q.push("four	");
	q.push("words!");

	//skip one element
	q.pop();

	//read and print two elements
	cout << q.front();
	q.pop();
	cout << q.front() << endl;
	q.pop();

	//print number of elements int the queue
	cout << "number of elements in the queue:	" << q.size() << endl;
	return 0;
}
